Agent Field Kit alternatives

Tools that do what Agent Field Kit does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Agent Field Kit.

Read 2026-11-02 · Agent Field Kit itself: From $19/mo

With a free plan or free to use: OpenLayer Agents, Braintrust, Mistral, Humanloop, Maxim AI, Agentic Control Plane.

10 alternativesUnlike Agent Field Kit

#1
OpenLayer Agents LLM operations MCP · sign-in
Tests and monitors machine learning and LLM systems with configurable evaluations before release and tracing, cost and policy checks in production.
Free planAlso: Compliance, Monitoring
4.7k
Active
Free plan
2021
#2
Arena AI LLM operations
Ranks large language models on a public leaderboard built from crowdsourced blind side-by-side comparisons of their answers.
More widely used
78.3k
Active
2023
#3
Braintrust LLM operations
Observability platform that traces agent execution, evaluates outputs, and discovers production patterns to improve quality.
Free planCosts more
13.7k
Active
From $249/mo
2022
#4
Arize LLM operations
Observes agent behavior, evaluates performance with evals, and suggests improvements through automated debugging.
Costs moreAlso: Agents, Monitoring
27.2k
Active
From $50/mo
#5
Zyphe Finance MCP · sign-in
Runs know-your-customer, business verification and anti-money-laundering checks, with agents that trace owners and prepare reviews for human approval.
Also: ComplianceMore widely used
2.3k
Active
From $0.02 per use
2025
#6
Mistral LLM operations
Provides frontier language models, agents, and infrastructure for building custom AI systems.
Free planCheaper
63.6k
Active
From $14.99/mo
2023
#7
Ollama LLM operations
Runs open-source language models locally or in cloud, with API access for coding agents.
Open sourceMore widely used
193k
Active
From $20/mo
2023
#8
Humanloop LLM operations
Humanloop has joined Anthropic and is sunsetting its platform.
Free planMore widely used
3.6k
Maintained
Free plan
#9
Maxim AI LLM operations
Simulates, evaluates and monitors AI agents and LLM apps, with test datasets, automated and human evaluators, production tracing and an open-source gateway.
Free planMore widely used
4.2k
Active
Free plan
#10
Agentic Control Plane Developer tools MCP · sign-in
Checks every tool call a coding agent makes against allow, ask, or never rules and records its cost.
Free planCosts more
56
Active
From $100/mo

← Agent Field Kit: the full card All LLM operations tools →

How this list is made: the words Agent Field Kit is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.